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NO. 3 OSBURN : EASTERN PACIFIC BRYOZOA CYCLOSTOMATA 669
both of the supporting column and of the head. Ooecium an inflation
of the surface of the head. Ooeciostome and ooeciopore slightly compressed, opening beside the zooecial aperture." Orca, Prince William
Sound and Sitka, Alaska.
O'Donoghue listed it from several localities in British Columbia.
Entalophora sp.
Zoarium slender, nearly straight, 4 or 6 tubules constituting the stem,
width 0.75 to 0.90 mm; the peristomes elongate, nearly at right angles
to the stem axis, perforated like the tubules nearly to their tips. On the
surface the tubules are more or less distinct, the whole surface transversely wrinkled and perforated with small pores; on the older part of
the stem the peristomes also are wrinkled on the basal portion. There
is a tendency toward spiral arrangement, though 2 or 3 peristomes may
arise at nearly the same level. Width of stem 0.75 to 0.90 mm; width
of tubules on the stem 0.30 mm; width of apertures 0.16 to 0.20 mm;
longest peristome 0.65 mm but the average about 0.25 mm.
The specimen consists of part of a stem 20 mm in length, both base
and tip wanting and without an ovicell. It has some resemblance to
E. proboscideoides Smitt, 1872:11, but it is much larger, the apertures
nearly twice as broad. The large size of the tubules, the width and
length of the peristomes and the coarse transverse striation of the stem
seem to indicate it as an undescribed species, but in the absence of an
ooecium I hesitate to give it a name.
Hancock Station 450, Cartago Bay, Albemarle Island, Galapagos,
0°55'S, 90°3(KW, at 70 fms.
Entalophora raripora d'Orbigny is listed by Robertson 1910:256 from
Monterey, California, and by O'Donoghue, 1923:13, from several
places in British Columbia.
Entalophora clavata Busk is also recorded by O'Donoghue, 1923:13,
from several British Columbia localities.
Entalophora vancouverensis O'Donoghue, 1923:13, is described and
recorded for Cardale Point, Round Island, British Columbia. From its
appearance as judged by figure 7 (plate 1) it may be a species of Bientalophora, but O'Donoghue does not mention the presence of kenozoids
on the stalk.
The Entalophoras are evidently much in need of a thorough restudy.

NO. 3 OSBURN : EASTERN PACIFIC BRYOZOA CYCLOSTOMATA 669
both of the supporting column and of the head. Ooecium an inflation
of the surface of the head. Ooeciostome and ooeciopore slightly compressed, opening beside the zooecial aperture." Orca, Prince William
Sound and Sitka, Alaska.
O'Donoghue listed it from several localities in British Columbia.
Entalophora sp.
Zoarium slender, nearly straight, 4 or 6 tubules constituting the stem,
width 0.75 to 0.90 mm; the peristomes elongate, nearly at right angles
to the stem axis, perforated like the tubules nearly to their tips. On the
surface the tubules are more or less distinct, the whole surface transversely wrinkled and perforated with small pores; on the older part of
the stem the peristomes also are wrinkled on the basal portion. There
is a tendency toward spiral arrangement, though 2 or 3 peristomes may
arise at nearly the same level. Width of stem 0.75 to 0.90 mm; width
of tubules on the stem 0.30 mm; width of apertures 0.16 to 0.20 mm;
longest peristome 0.65 mm but the average about 0.25 mm.
The specimen consists of part of a stem 20 mm in length, both base
and tip wanting and without an ovicell. It has some resemblance to
E. proboscideoides Smitt, 1872:11, but it is much larger, the apertures
nearly twice as broad. The large size of the tubules, the width and
length of the peristomes and the coarse transverse striation of the stem
seem to indicate it as an undescribed species, but in the absence of an
ooecium I hesitate to give it a name.
Hancock Station 450, Cartago Bay, Albemarle Island, Galapagos,
0°55'S, 90°3(KW, at 70 fms.
Entalophora raripora d'Orbigny is listed by Robertson 1910:256 from
Monterey, California, and by O'Donoghue, 1923:13, from several
places in British Columbia.
Entalophora clavata Busk is also recorded by O'Donoghue, 1923:13,
from several British Columbia localities.
Entalophora vancouverensis O'Donoghue, 1923:13, is described and
recorded for Cardale Point, Round Island, British Columbia. From its
appearance as judged by figure 7 (plate 1) it may be a species of Bientalophora, but O'Donoghue does not mention the presence of kenozoids
on the stalk.
The Entalophoras are evidently much in need of a thorough restudy.